Mesa (master): r600g: don't use a staging resource for large transfers
Marek Olšák
mareko at kemper.freedesktop.org
Thu Sep 13 18:30:59 UTC 2012
Module: Mesa
Branch: master
Commit: e386972f5bcb59a37489ea627030315bf8961fd4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e386972f5bcb59a37489ea627030315bf8961fd4
Author: Marek Olšák <maraeo at gmail.com>
Date: Thu Sep 13 20:20:46 2012 +0200
r600g: don't use a staging resource for large transfers
It kills performance if the resource is linear.
---
src/gallium/drivers/r600/r600_texture.c | 10 ----------
1 files changed, 0 insertions(+), 10 deletions(-)
diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index 6de3d6a..1c52ff8 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -592,13 +592,6 @@ bool r600_init_flushed_depth_texture(struct pipe_context *ctx,
return true;
}
-/* Needs adjustment for pixelformat:
- */
-static INLINE unsigned u_box_volume( const struct pipe_box *box )
-{
- return box->width * box->depth * box->height;
-}
-
struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
struct pipe_resource *texture,
unsigned level,
@@ -622,9 +615,6 @@ struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
use_staging_texture = TRUE;
}
- if ((usage & PIPE_TRANSFER_READ) && u_box_volume(box) > 1024)
- use_staging_texture = TRUE;
-
/* Use a staging texture for uploads if the underlying BO is busy. */
if (!(usage & PIPE_TRANSFER_READ) &&
(rctx->ws->cs_is_buffer_referenced(rctx->cs, rtex->resource.cs_buf, RADEON_USAGE_READWRITE) ||
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